Book description:Genre: Science
1st ed. of "Secrets of Mental Math: The Mathemagicians Guide to Lightning Calculation and Amazing Math Tricks".
Number of pages: 319
For use in schools and libraries only. An accessible guide to mathematical calculation reveals the secrets of rapid mental calculation, memorization, and other feats of the mind, with tips on how to add, subtract, multiply, divide, and work with fractions, squares, and cube roots.